About: http://webisa.webdatacommons.org/74760600

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Cassandra is an open source distributed database management system used by Facebook, Twitter, and other sites.
http://www.w3.org/ns/prov#wasQuotedFrom	windley.com